18786456

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20071}}^1$

素因数の和:20096

約数の個数: 48

約数和(自身を含む): 54796560

約数和(自身を除く): 36010104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20071, 40142, 60213, 80284, 120426, 160568, 180639, 240852, 260923, 361278, 481704, 521846, 722556, 782769, 1043692, 1445112, 1565538, 2087384, 2348307, 3131076, 4696614, 6262152, 9393228, 18786456]

約数ペア:

[(1, 18786456), (2, 9393228), (3, 6262152), (4, 4696614), (6, 3131076), (8, 2348307), (9, 2087384), (12, 1565538), (13, 1445112), (18, 1043692), (24, 782769), (26, 722556), (36, 521846), (39, 481704), (52, 361278), (72, 260923), (78, 240852), (104, 180639), (117, 160568), (156, 120426), (234, 80284), (312, 60213), (468, 40142), (936, 20071)]